/*
 * Copyright (C) 2007 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.frank.loadinglibrary.utils.interpolator;

public class DecelerateInterpolator implements Interpolator {
    public DecelerateInterpolator() {
    }

    public DecelerateInterpolator(float factor) {
        mFactor = factor;
    }

    @Override
    public float getInterpolation(float input) {
        float result;
        if (Float.valueOf(mFactor).equals(valueOne)) {
            result = (float) (1.0f - (1.0f - input) * (1.0f - input));
        } else {
            result = (float) (1.0f - Math.pow((1.0f - input), 2 * mFactor));
        }
        return result;
    }

    private float mFactor = 1.0f;
    private float valueOne = 1f;

}
